Empty set
∅ is the Unicode character “EMPTY SET” (U+2205). It belongs to the Mathematical Operators block and was added in Unicode 1.1. Click it to copy, or use the codes below.
∅ codes
| UnicodeCode point | U+2205 |
|
|---|---|---|
| HTML codeDecimal, works in any HTML page | ∅ |
|
| HTML hexHexadecimal HTML code | ∅ |
|
| HTML entityNamed HTML entity | ∅ |
|
| CSSFor the CSS content property | \2205 |
|
| JavaScriptEscape in JavaScript strings | \u2205 |
|
| PythonEscape in Python strings | \u2205 |
|
| URL encodedPercent-encoded UTF-8 | %E2%88%85 |
|
| UTF-8Bytes in UTF-8 | E2 88 85 |
|
| UTF-16Code units in UTF-16 | 2205 |
How to type ∅
Copy and paste
Click to copy it, then paste with Ctrl + V (⌘ + V on a Mac) or a long press on phones.
Windows
Press Win + . to open the emoji and symbol panel, then search for “empty set”.
In Microsoft Word, type 2205 and press Alt + X.
Mac
Press Control + ⌘ + Space to open the Character Viewer, then search for “empty set”.
iPhone and Android
Copy it here and paste it. To type it again later, save it as a text replacement (iPhone: Settings › General › Keyboard › Text Replacement; Gboard: Settings › Dictionary › Personal dictionary).
About ∅
- Unicode name
- EMPTY SET
- Code point
- U+2205 (8709)
- Block
- Mathematical Operators
- Category
- Math Symbol
- Unicode version
- 1.1